package com.liuxing.observer.demo;

/**
 * @ClassName MyObserver
 * @Description 观察者接口
 * @Author ymy
 * @Date 2021/5/21 14:56
 */
public interface MyObserver {

    /**
     * 做某些事
     * @param msg
     */
    void dosomething(Msg msg);

}
